Home / 3,912,424.18-5,398,874.98-2,169,929.20

Finding the Fourth Proportional to 3,912,424.18, 5,398,874.98 and 2,169,929.20

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Solution

The fourth proportional to 3,912,424.18, 5,398,874.98 and 2,169,929.20 is: 2,994,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,424.18 : 5,398,874.98 = 2,169,929.20 : x
  2. Step 2: Convert to fraction form
    3,912,424.18/5,398,874.98 = 2,169,929.20/x
  3. Step 3: Cross multiply
    3,912,424.18x = 5,398,874.98 × 2,169,929.20
  4. Step 4: Simplify right side
    3,912,424.18x = 11,715,176,457,452.29
  5. Step 5: Solve for x
    x = 11,715,176,457,452.29/3,912,424.18
  6. Step 6: Final answer
    x = 2,994,352.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.